Surface Plasmons in a Nanotube with a Finite-Thickness Wall

被引：3
|
作者：
Korotun, A., V [1 ]
Karandas, Ya, V [1 ]
机构：
[1] Natl Univ Zaporozhye Polytech, UA-69063 Zaporozhe, Ukraine
来源：
PHYSICS OF METALS AND METALLOGRAPHY | 2022年 / 123卷 / 01期
关键词：
cylindrical nanoshell; polarizability; depolarization factor; surface plasmon resonance; relaxation rate; hybridization of plasmon modes; METAL NANOPARTICLES; PHOTOACOUSTIC TOMOGRAPHY; GOLD NANOPARTICLES; OPTICAL-PROPERTIES; HYBRIDIZATION; ABSORPTION; SHAPE; SIZE;
D O I：
10.1134/S0031918X22010070
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The frequency dependences of polarizability, absorption and scattering cross sections, and optical radiation efficiency of nanotubes of different metals and different sizes are studied. Expressions for the frequencies of longitudinal and transverse surface plasmon resonances are obtained. The relationship between the theory proposed and the plasmon hybridization model is discussed. The evolution of the polarizability maxima, as well as the absorption and scattering cross sections, upon a change in the geometric parameters and morphology of the core and the shell, is traced.
引用
收藏
页码：7 / 15
页数：9
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